20134134271 has 2 divisors, whose sum is σ = 20134134272. Its totient is φ = 20134134270.

The previous prime is 20134134257. The next prime is 20134134311. The reversal of 20134134271 is 17243143102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20134134271 - 2³¹ = 17986650623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20134234271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067067135 + 10067067136.

It is an arithmetic number, because the mean of its divisors is an integer number (10067067136).

Almost surely, 2^20134134271 is an apocalyptic number.

20134134271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20134134271 is an equidigital number, since it uses as much as digits as its factorization.

20134134271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 20134134271 its reverse (17243143102), we get a palindrome (37377277373).

The spelling of 20134134271 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-four thousand, two hundred seventy-one".